📍 Prescott, WI · Zone 4b · Last frost Tuesday, May 5, 2026
✏️ ChangeWhen to Plant Olive Tree in Prescott, Wisconsin (54021)
Location
Prescott, Wisconsin
ZIP Code
54021
USDA Zone
4b
Last Frost
Tuesday, May 5, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Tuesday, May 19, 2026
Based on last frost Tuesday, May 5, 2026 · Zone 4b
Pro tip: Sow Olive Tree directly outdoors 2 weeks after your last frost date — it needs warm soil.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Low (drought tolerant)
↔️
Spacing
240" apart
🌱
Planting Depth
6" deep
Seeds typically germinate in 30-60 days
Ready to Plant Olive Tree in Prescott?
Get your seeds now so they're ready by Tuesday, May 19, 2026.
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🤝 Good Companions
Full Companion Planting Guide for Olive Tree
See which plants help Olive Tree thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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🌾 Seed Saving Guide
🔴 DifficultWhen to Harvest Seed
Extract seed from fully ripe (black) olives in fall.
Processing
Remove flesh, scarify seed coat with sandpaper, soak 24 hours, then cold-stratify 2 months before planting.
Seed Viability
Up to 1 year when stored cool, dark, and dry.
Pro Tip
Seed-grown olives take 10+ years to fruit and may not match parent. Semi-hardwood cuttings are a much better method.
Raised Bed Planting Guides
A 4×8 bed fits 0 plants of Olive Tree. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Olive Tree in Prescott, Wisconsin? +
In Prescott (Zone 4b), direct sow Olive Tree outdoors around Tuesday, May 19, 2026.
What is the last frost date for Prescott, Wisconsin? +
The average last spring frost date for Prescott, Wisconsin (ZIP 54021) is around Tuesday, May 5, 2026. This is based on NOAA climate normals for USDA Zone 4b.
How long does Olive Tree take to grow? +
Olive Tree typically matures in about 1825 days from direct sowing. In Prescott, that means you can expect harvest around Tuesday, May 19, 2026 plus 1825 days.
Should I start Olive Tree indoors or direct sow in Wisconsin? +
Olive Tree does best when direct sown outdoors. In Prescott, sow directly around Tuesday, May 19, 2026.
📚 More Olive Tree Planting Guides
Other Plants for Prescott
Growing Olive Tree in Zone 4b
Olive Tree (Olea europaea) is a popular garden vegetable. In Prescott, Wisconsin, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, May 19, 2026.
Your average last frost date is Tuesday, May 5, 2026. Olive Tree grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.